Lecture 9: Principles of Onco Part 1 Flashcards
How many deaths is cancer responsible for in the US?
1 in 4 deaths ):
What # cause of death is cancer in the US?
1 is Tobacco
Second leading cause.
What are the 4 MC cancers?
Lung
Colon
Breast
Prostate
What are the top 3 MC cancers for males? Females?
Males:
Prostate
Lung/bronchus
Colorectal
Females:
Breast
Lung/bronchus
Colorectal
AKA lung and colorectal + gender-specific
What is the MC cancer to cause death in our age group?
Leukemia
Breast
What factors affect a person’s chance of developing cancer?
Exposure to certain environmental factors (diet, hormones)
Genetic makeup
Age/gender
What is cancer prevention concerned with?
Identification and manipulation of biologic, environmental, social, and genetic factors.
What is primary prevention?
Healthy lifestyle, designed to avoid ALL carcinogens.
What is the biggest factor in cancer susceptibility?
Environment!!
Genes play a minor role and are only for a few select cancers.
What is the most common PREVENTABLE cause of cancer death in the US?
Smoking tobacco
80% of lung cancers are associated with smoking tobacco.
What is adequate physical activity good at preventing cancer-wise?
Reduced risk of colon and breast cancer.
AKA gender-specific
At what BMI does cancer risk seem to start increasing significantly?
25
AKA overweight.
What kind of diets are associated with increased risk of breast, colon, prostate, and endometrium?
Diets high in fat.
Eating what in your diet is associated with a reduced risk of colonic polyps and colonic cancer?
Dietary fiber!
Cleaning the poop out = good
What does alcohol increase the risk of cancer-wise?
Mouth
Throat
Liver
Larynx
Esophagus
Stomach
Breast
What cancer is EBV most associated with?
Burkitt’s lymphoma
Nasal T cell lymphoma
BNE
What cancer is estrogen most associated with?
Endometrium
Liver
Breast
What cancer is ethyl alcohol most associated with?
Liver
Esophagus
Head and Neck
What cancer is H. pylori most associated with?
Gastric cancer
Gastric MALT lymphoma
What cancer is Hep B or C most associated with?
Liver
What cancer is UV sunlight most associated with?
Skin cancer
What cancer is tobacco most associated with?
Cancer of the upper aerodigestive tract
Bladder
What is secondary prevention concerned with?
Early detection and treatment.
Identifying people who are most at risk and implementing screening assessments for them.
What 4 things describe a screening test’s capability?
Sensitivity: # of people who test true positive in the screening.
Specificity: # of people who are true negatives in the screening.
PPV: # of people who are positive that have disease.
NPV: # of people who are negative that lack disease.
What cancers do we generally screen for routinely?
Cervical
Colon
Prostate
Breast
Lung (if at risk)
When are annual mammograms indicated?
Age 40